Virtual Video Driver

modulename: vivi.ko

configname: CONFIG_VIDEO_VIVI

Linux Kernel Configuration
└─>Device Drivers
└─>Multimedia support
└─>Media test drivers
└─>Virtual Video Driver
In linux kernel since version 2.6.20 (release Date: 2007-02-04)  
Enables a virtual video driver. This device shows a color bar
and a timestamp, as a real device would generate by using V4L2
api.
Say Y here if you want to test video apps or debug V4L devices.
In doubt, say N.

source code: